填空题

死锁解除可以采用资源剥夺法和（）法。

【参考答案】

撤销进程

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热门试题

单项选择题

A．SELECT S# FROM SC GROUP BY S# WHERE COUNT(*)＞3
B．SELECT S# FROM SC GROUP BY S# HAVING COUNT(*)＞3
C．SELECT S# FROM SC ORDER BY S# WHERE COUNT(*)＞3
D．SELECT S# FROM SC ORDER BY S# HAVING COUNT(*)＞3

填空题

在交互式系统中，（）是衡量其性能的重要指标。